Alert archive / North Dakota / Tornado Warnings in 2012

Tornado Warning 3, NWS Bismarck, ND

May 22, 2012LaMoure County, Stutsman County, North Dakota

NWS Bismarck, ND issued this tornado warning at May 22, 2012, 9:26 PM CDT for LaMoure County, Stutsman County, North Dakota. It was in force for 13 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 22, 2012, 9:26 PM CDT (02:26 UTC)
Expired: May 22, 2012, 9:39 PM CDT
In force: 13 min
Issued by: NWS Bismarck, ND
Area: Storm-based polygon

Counties LaMoure County, ND, Stutsman County, ND

The radar

The Aberdeen radar (KABR), 128 km from the middle of the area, began a volume at 02:27 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 22, 9:46 PM CDT	HAIL 0.75	30 S Jamestown, ND	PEA TO SIZE HAIL... HAIL LASTED APPROX 2 MINS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 22, 4:03 PM CDT	Tornado Watch	SPC	7 hr
May 22, 5:54 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 2.4 hours before the alert went out and 176 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1372 J/kg
Mixed-layer CIN: -73 J/kg
Mixed-layer LCL: 1878 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 99 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

720 
WFUS53 KBIS 230226
TORBIS
NDC045-093-230300-
/O.NEW.KBIS.TO.W.0003.120523T0226Z-120523T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE BISMARCK ND
926 PM CDT TUE MAY 22 2012

THE NATIONAL WEATHER SERVICE IN BISMARCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN LAMOURE COUNTY IN SOUTHEAST NORTH DAKOTA
  SOUTHEASTERN STUTSMAN COUNTY IN SOUTHEAST NORTH DAKOTA

* UNTIL 1000 PM CDT.

* AT 925 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED NEAR NORTONVILLE...OR 24 MILES SOUTH OF
  JAMESTOWN...AND MOVING NORTHEAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ADRIAN...DICKEY...MONTPELIER AND MARION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA.

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN BISMARCK AT
701-223-4582.

&&

LAT...LON 4644 9870 4660 9883 4677 9844 4677 9843
      4664 9843 4664 9803 4662 9802 4657 9802
TIME...MOT...LOC 0226Z 239DEG 54KT 4657 9865

$$

SCHECK

1 follow-up statement

999 
WWUS53 KBIS 230239
SVSBIS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE BISMARCK ND
939 PM CDT TUE MAY 22 2012

NDC045-093-230248-
/O.CAN.KBIS.TO.W.0003.000000T0000Z-120523T0300Z/
LAMOURE ND-STUTSMAN ND-
939 PM CDT TUE MAY 22 2012

...THE TORNADO WARNING FOR SOUTHEASTERN STUTSMAN AND NORTHEASTERN
LAMOURE COUNTIES IS CANCELLED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN
EFFECT FOR THE AREA.

REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE IN BISMARCK AT
701-223-4582.

REMEMBER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
PORTIONS OF STUTSMAN AND LAMOURE COUNTIES UNTIL 1015 PM CDT.

LAT...LON 4644 9870 4660 9883 4677 9844 4677 9843
      4664 9843 4664 9803 4662 9802 4657 9802
TIME...MOT...LOC 0238Z 239DEG 54KT 4666 9842

$$

SCHECK

The office that day

Everything else NWS Bismarck, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 22, 7:19 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, Logan, McIntosh	56 min
May 22, 8:03 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	42 min
May 22, 8:09 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	36 min
May 22, 8:12 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, McIntosh	33 min
May 22, 8:40 PM CDT	Severe Thunderstorm Warning	BIS	Dickey, LaMoure, Logan, McIntosh	41 min
May 22, 8:41 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Logan, Stutsman	49 min
May 22, 8:42 PM CDT	Severe Thunderstorm Warning	BIS	Bottineau	33 min
May 22, 9:02 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	28 min
May 22, 9:19 PM CDT	Severe Thunderstorm Warning	BIS	LaMoure, Stutsman	56 min

Nearby

Tornado Warnings in North Dakota, 2012 Every tornado warning in 2012 Tornadoes in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.